Organic electronic material and use of same
AssigneeShowa Denko Materials Co., Ltd.
InventorsRyota Moriyama, Naoki Asano, Iori Fukushima, Hiroshi Takaira, Kazuyuki Kamo, Shunsuke Kodama
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Abstract
An organic electronic material containing a charge transport compound having at least one of the structural regions represented by formulas (1), (2) and (3) shown below. In the formulas, Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, a represents an integer of 1 to 6, b represents an integer of 2 to 6, c represents an integer of 2 to 6, and X represents a substituted or unsubstituted polymerizable functional group. —Ar—O—(CH2)a—O—CH2—X (1) —Ar—(CH2)b—O—CH2—X (2) —Ar—O—(CH2)c—X (3)
Claims19
An organic electronic material comprising a charge transport compound having a divalent structural unit, a trivalent or higher structural unit, and a monovalent structural unit represented by formula (3) shown below:
- —Ar—O—(CH2)c—X (3)
- wherein Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, c represents an integer of 5 to 6, and X represents a substituted or unsubstituted polymerizable functional group,
- wherein the polymerizable functional group comprises at least one group selected from an oxetane group, epoxy group, vinyl group, acryloyl group and methacryloyl group substituted with a saturated alkyl group with 1 to 4 carbon atoms or an unsubstituted oxetane group, epoxy group, vinyl group, acryloyl group and methacryloyl group,
- wherein a proportion of the trivalent or higher structural unit based on a total of all the structural units is at least 1 mol % and not more than 50 mol %, and
- wherein a thermal weight reduction upon heating at 300° C. of the charge transport compound is not more than 3.5% by mass relative to a mass of the charge transport compound prior to heating.
Dependencies are inferred from the claim text.